Home / 12,601,501.15-18,888,965.70-4,922,178.70

Finding the Fourth Proportional to 12,601,501.15, 18,888,965.70 and 4,922,178.70

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Solution

The fourth proportional to 12,601,501.15, 18,888,965.70 and 4,922,178.70 is: 7,378,078.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,601,501.15 : 18,888,965.70 = 4,922,178.70 : x
  2. Step 2: Convert to fraction form
    12,601,501.15/18,888,965.70 = 4,922,178.70/x
  3. Step 3: Cross multiply
    12,601,501.15x = 18,888,965.70 × 4,922,178.70
  4. Step 4: Simplify right side
    12,601,501.15x = 92,974,864,633,570.59
  5. Step 5: Solve for x
    x = 92,974,864,633,570.59/12,601,501.15
  6. Step 6: Final answer
    x = 7,378,078.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.